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The self ionization constant for pure fo...

The self ionization constant for pure formic acid `K=[(HCOOH_2)^+][(HCOO)^-]` has been estimated as `10^(-6)` at room temperature. The density of formic acid is 1.15g/cm^3. What percentage of formic acid molecules in pure formic acid are converted to formate ion ?

A

0.002%

B

0.008%

C

0.004%

D

0.006%

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The correct Answer is:
A
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